Home / 42,387,065-63,590,079.36-15,460,721

Finding the Fourth Proportional to 42,387,065, 63,590,079.36 and 15,460,721

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Solution

The fourth proportional to 42,387,065, 63,590,079.36 and 15,460,721 is: 23,194,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387,065 : 63,590,079.36 = 15,460,721 : x
  2. Step 2: Convert to fraction form
    42,387,065/63,590,079.36 = 15,460,721/x
  3. Step 3: Cross multiply
    42,387,065x = 63,590,079.36 × 15,460,721
  4. Step 4: Simplify right side
    42,387,065x = 983,148,475,352,818.50
  5. Step 5: Solve for x
    x = 983,148,475,352,818.50/42,387,065
  6. Step 6: Final answer
    x = 23,194,540.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.